<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.7.14/dist/vue.runtime.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/vue-router@3.6.5/dist/vue-router.min.js"></script>
    <style>
        html,body {
            margin: 0;
            padding: 0;
        }
        h1 {
            margin: 0;
            padding: 0;
            font-size: 16px;
        }
        .header {
            background-color: lightblue;
            height: 80px;
        }
        .container {
            display: flex;
            height: 600px;
        }
        .sidebar {
            background-color: lightgreen;
            flex: 2;
        }
        .main {
            background-color: lightpink;
            flex: 8;
        }
    </style>
</head>
<body>
    <div id="app">
        <router-view></router-view>
        <div class="container">
            <router-view name="left"></router-view>
            <router-view name="main"></router-view>
        </div>
    </div>
    <script>
        var header = {template:'<h1 class="header">header头部区域</h1>'}
        var sidebar = {template:'<h1 class="sidebar">sidebar侧导航区域</h1>'}
        var mainBox = {template:'<h1 class="main">mainBox主体区域</h1>'}
        var router = new VueRouter({
            routes: [{
                path: '/',
                components: {
                    'default':header,
                    'left':sidebar,
                    'main':mainBox
                }
            }]
        })
        var vm = new Vue({ el: '#app',router})
    </script>
</body>
</html>
